Wednesday, May 12 Extra Credit

• 72

• 28

• 87

• 13

Which interval has 400 employees?

• 33-43
• 0-10
• 77-87
• 66-76

How many people watched more than 25 hours of TV last week?

• 0
• 10
• 38
• 42

What value is the lower quartile?

• 66
• 58
• 60
• 64

What do you do if there are two numbers in "the middle" when you are finding the median?

• Pick your favorite number
• Add the two numbers in the middle & then divide by two.
• They are both the median
• None of the above

In order to find the median, the very first thing you must do is to..

• find the difference between biggest and the smallest number.

• find the middle number

• list the numbers in order

• find the most repeated number

What is the term for the median of the lower half of the data?

• Upper Quartile

• Lower Quartile

• Median

• Minimum

What percentage of the data is between 90 and 140?

• 25 %
• 50%
• 75%
• 100%

What is the term for the median of the upper half of the data?

• Upper Quartile
• Lower Quartile
• Median
• Minimum

• The median test score is 80.

• The lower quartile is 65.

• The upper quartile is 90.

• The IQR is 30.